I was born and raised in Northampton, MA and I still live in the Pioneer Valley. My family (also Northampton born and bred) owns some rental properties there so feel free to contact me via my email firstname.lastname@example.org.
http://www.271NWRD.com is the website with all the particulars.
Also try Tayor Real Estate in Easthampton, 413-527-3375, ask for Bernice or LeighAnn Conner.
Let me know if you need anything further..
Peter A. Davies
Re/Max Hill and Valley
78 Cottage Street
Easthampton, Ma. 01027
Office 413-529-7125 x1
Massachusetts Licensed Broker #138858